回複:奧地利奧賽題:3元1次方程組(2星)

來源: 2009-02-28 18:05:28 [舊帖] [給我悄悄話] 本文已被閱讀:

sol 1: a=3.1 b=2.2 c=5.8
sol 2: a=3.6 b=2.7 c=4.3
is it right?